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Radiant|Lab Grown|IGI

3.91ct J VS2 Radiant Lab Grown Diamond

J/VS2 • IGI LG12838711

Shape and cutting style on the report: Cut cornered square modified brilliant

Certificate IGI LG12838711

Diamond specifications and retailer prices

From HK$21,404 HKD
As of November 5, 2026
Save HK$9,483 HKD (31%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: HK$30,887 HKD at The Diamond Guys · As of November 6, 2026
View at The Diamond Guys

About this 3.91ct lab-grown radiant diamond

This 3.91ct lab-grown radiant sits in the three to five carat band, graded J colour (near-colourless) and VS2 clarity (very-slightly-included) and certified by IGI LG12838711 or 12838711. Listed at 2 retailers as of November 5, 2026, with prices from HK$21,404 to HK$30,887, a HK$9,483 spread on the same certified stone. The Diamond Guys lists it at HK$30,887. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.91
Carat
J
Colour
VS2
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle37.6°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG12838711
Dimensions9.24 × 8.88 × 5.93 mm
L/W Ratio1.04
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment.
Top View
9.24 mm8.88 mm3.91 ctJ / VS2
OriginLab Grown
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG12838711
Side View
Table 68.5%Crown 37.6°Girdle: THN-MEDPavilion 38.3°Culet: NoneDepth 66.8%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 5
Current: HK$21,404 HKD|Low: HK$14,170 HKD|High: HK$33,097 HKD|Avg: HK$23,727 HKD|+51.1%
Retailer 1
The Diamond Guys
August 3, 2026
Retailer 1HK$21,404 HKD
The Diamond GuysHK$30,887 HKD

15 data points across 2 retailers

2 retailersHK$21,404 HKD to HK$30,887 HKD

B
Cheapest Retailer
-
HK$21,404 HKD
Most Expensive
C
The Diamond Guys
1779253095 · Nov 6
HK$30,887 HKD
$3,941 USD
View
1 more retailer has this diamond
Prices start from HK$21,404 HKDSave up to HK$9,483 HKD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B
3.91ct Radiant
HK$21,404 HKD